<template>
  <div>
    <el-row :gutter="20">
      <el-col :span="8">
        <el-card shadow="hover" class="mgb20" style="height:252px;">
          <div class="user-info">
            <img src="../../assets/img/tuxi.png" class="user-avator" alt />
            <div class="user-info-cont">
              <div class="user-info-name">{{name}}</div>
              <div>{{role}}</div>
            </div>
          </div>
          <div class="user-info-list">
            上次登录时间：
            <span>2019-11-01</span>
          </div>
          <div class="user-info-list">
            上次登录地点：
            <span>东莞</span>
          </div>
        </el-card>
        <el-card shadow="hover" style="height:252px;">
          <div slot="header" class="clearfix">
            <span>语言详情</span>
          </div>Vue
          <el-progress :percentage="71.3" color="#42b983"></el-progress>JavaScript
          <el-progress :percentage="24.1" color="#f1e05a"></el-progress>CSS
          <el-progress :percentage="13.7"></el-progress>HTML
          <el-progress :percentage="5.9" color="#f56c6c"></el-progress>
        </el-card>
      </el-col>
      <el-col :span="16">
        <el-row :gutter="20" class="mgb20">
          <el-col :span="8">
            <el-card shadow="hover" :body-style="{padding: '0px'}">
              <div class="grid-content grid-con-1">
                <i class="el-icon-lx-people grid-con-icon"></i>
                <div class="grid-cont-right">
                  <div class="grid-num">1234</div>
                  <div>用户访问量</div>
                </div>
              </div>
            </el-card>
          </el-col>
          <el-col :span="8">
            <el-card shadow="hover" :body-style="{padding: '0px'}">
              <div class="grid-content grid-con-2">
                <i class="el-icon-lx-notice grid-con-icon"></i>
                <div class="grid-cont-right">
                  <div class="grid-num">321</div>
                  <div>系统消息</div>
                </div>
              </div>
            </el-card>
          </el-col>
          <el-col :span="8">
            <el-card shadow="hover" :body-style="{padding: '0px'}">
              <div class="grid-content grid-con-3">
                <i class="el-icon-lx-goods grid-con-icon"></i>
                <div class="grid-cont-right">
                  <div class="grid-num">5000</div>
                  <div>数量</div>
                </div>
              </div>
            </el-card>
          </el-col>
        </el-row>
        <el-card shadow="hover" style="height:403px;">
          <div slot="header" class="clearfix">
            <span>待办事项</span>
            <el-button style="float: right; padding: 3px 0" type="text" @click="AddTodolist()">添加</el-button>
          </div>
          <el-table :show-header="false" :data="todoList" style="width:100%;">
            <el-table-column width="40">
              <template slot-scope="scope">
                <el-checkbox v-model="scope.row.status"></el-checkbox>
              </template>
            </el-table-column>
            <el-table-column>
              <template slot-scope="scope">
                <div
                  class="todo-item"
                  :class="{'todo-item-del': scope.row.status}"
                >{{scope.row.title}}</div>
              </template>
            </el-table-column>
            <el-table-column width="60">
              <template scope="scope">
                <i class="el-icon-edit" @click="updata(scope.$index)"></i>
                <i class="el-icon-delete" @click="del(scope.$index)"></i>
              </template>
            </el-table-column>
          </el-table>
        </el-card>
      </el-col>
    </el-row>

 <!-- schart 图表组件 -->
        <el-row :gutter="20">
            <el-col :span="12">
                <el-card shadow="hover">
                    <schart ref="bar" class="schart" canvasId="bar" :options="options"></schart>
                </el-card>
            </el-col>
            <el-col :span="12">
                <el-card shadow="hover">
                    <schart ref="line" class="schart" canvasId="line" :options="options2"></schart>
                </el-card>
            </el-col>
        </el-row>
        <!-- eachart图表 -->
        <el-row :gutter="20">
            <el-col :span="12">
                <el-card shadow="hover">
                    <div id="main"></div>
                </el-card>
            </el-col>
            <el-col :span="12">
                <el-card shadow="hover">
                    <div id="main1"></div>
                </el-card>
            </el-col>
        </el-row>
  </div>
</template>

<script>
import Schart from "vue-schart";
import bus from "../common/bus";
var echarts = require("echarts");
export default {
    name: 'dashboard',
    data() {
        return {
            name: localStorage.getItem('ms_username'),
            todoList: [
                {
                    title: '今天要修复100个bug',
                    status: false
                },
                {
                    title: '今天要修复100个bug',
                    status: false
                },
                {
                    title: '今天要写100行代码加几个bug吧',
                    status: false
                },
                {
                    title: '今天要修复100个bug',
                    status: false
                },
                {
                    title: '今天要修复100个bug',
                    status: true
                },
                {
                    title: '今天要写100行代码加几个bug吧',
                    status: true
                }
            ],
            data: [
                {
                    name: '2018/09/04',
                    value: 1083
                },
                {
                    name: '2018/09/05',
                    value: 941
                },
                {
                    name: '2018/09/06',
                    value: 1139
                },
                {
                    name: '2018/09/07',
                    value: 816
                },
                {
                    name: '2018/09/08',
                    value: 327
                },
                {
                    name: '2018/09/09',
                    value: 228
                },
                {
                    name: '2018/09/10',
                    value: 1065
                }
            ],
            //charts图表
            options: {
                type: 'bar',
                title: {
                    text: '最近一周各品类销售图'
                },
                xRorate: 25,
                labels: ['周一', '周二', '周三', '周四', '周五'],
                datasets: [
                    {
                        label: '家电',
                        data: [234, 278, 270, 190, 230]
                    },
                    {
                        label: '百货',
                        data: [164, 178, 190, 135, 160]
                    },
                    {
                        label: '食品',
                        data: [144, 198, 150, 235, 120]
                    }
                ]
            },
            options2: {
                type: 'line',
                title: {
                    text: '最近几个月各品类销售趋势图'
                },
                labels: ['6月', '7月', '8月', '9月', '10月'],
                datasets: [
                    {
                        label: '家电',
                        data: [234, 278, 270, 190, 230]
                    },
                    {
                        label: '百货',
                        data: [164, 178, 150, 135, 160]
                    },
                    {
                        label: '食品',
                        data: [74, 118, 200, 235, 90]
                    }
                ]
            }
    
        
        
        };
    },
    components: {
        Schart,
        
    },
    computed: {
        role() {
            return this.name === 'admin' ? '超级管理员' : '普通用户';
        }
    },
    //charts图表响应式
    created() {
        this.handleListener();
        this.changeDate();
    },
    activated() {
        this.handleListener();
    },
    deactivated() {
        window.removeEventListener('resize', this.renderChart);
        bus.$off('collapse', this.handleBus);
    },
    //charts图表响应式=====结束
    methods: {
        changeDate() {
            const now = new Date().getTime();
            this.data.forEach((item, index) => {
                const date = new Date(now - (6 - index) * 86400000);
                item.name = `${date.getFullYear()}/${date.getMonth() + 1}/${date.getDate()}`;
            });
        },
        // charts图表响应式=====开始
        handleListener() {
            bus.$on('collapse', this.handleBus);
            // 调用renderChart方法对图表进行重新渲染
            window.addEventListener('resize', this.renderChart);
        },
        handleBus(msg) {
            setTimeout(() => {
                this.renderChart();
            }, 200);
        },
        renderChart() {
            this.$refs.bar.renderChart();
            this.$refs.line.renderChart();
        },

        AddTodolist() {
            // console.log(1);
            var str = prompt('请输入一段文字');
            //  alert(str)
            console.log(str);
            if (str == '' || str == null || str.length == 0) {
                return;
            }
            this.todoList.push({
                title: str,
                status: false
            });
        },
        del(index) {
            console.log(index);
            this.todoList.splice(index, 1);
        },
        updata(index) {
            // console.log(index);
            let val = window.prompt('请输入要修改的内容：');
            console.log(val);
            let obj = this.todoList[index];
            console.log(obj);
            obj.title = val;
            this.todoList.splice(index, 1, obj);
        }
    },
    mounted() {
        let myChart = echarts.init(document.getElementById('main'));

        var option = {
            legend: {},
            tooltip: {},
            title: {
                text: '最近几个月各品类销售趋势图',
                x: 'center' //eachart  图表  title 标题居中
            },
            legend: {
                //eachart  图表 控制家电  与title的距离
                show: true,
                top: '6%' //与上方的距离 可百分比% 可像素px
            },
            dataset: {
                source: [
                    ['product', '家电', '百货', '食品'],
                    ['周一', 234, 164, 144],
                    ['周二', 278, 178, 198],
                    ['周三', 270, 190, 150],
                    ['周四', 190, 135, 235],
                    ['周五', 230, 160, 120]
                ]
            },
            xAxis: { type: 'category' },
            yAxis: {},
            // Declare several bar series, each will be mapped
            // to a column of dataset.source by default.
            series: [{ type: 'bar' }, { type: 'bar' }, { type: 'bar' }]
        };  


        // 使用刚指定的配置项和数据显示图表。
        myChart.setOption(option);

        let myChart1 = echarts.init(document.getElementById('main1'));

        var option1 = {
            title: {
                text: '最近几个月各品类销售趋势图',
                x: 'center'
            },
            tooltip: {
                trigger: 'axis'
            },
            legend: {
                data: ['家电', '百货', '食品']
            },
            grid: {
                left: '3%',
                right: '4%',
                bottom: '3%',
                containLabel: true
            },
            toolbox: {
                feature: {
                    saveAsImage: {}
                }
            },
            legend: {
                show: true,
                top: '6%' //与上方的距离 可百分比% 可像素px
            },
            xAxis: {
                type: 'category',
                boundaryGap: false,
                data: ['6月', '7月', '8月', '9月', '10月']
            },
            yAxis: {
                type: 'value'
            },
            series: [
                {
                    name: '家电',
                    type: 'line',
                    stack: '总量',
                    data: [234, 278, 270, 190, 230]
                },
                {
                    name: '百货',
                    type: 'line',
                    stack: '总量',
                    data: [164, 178, 150, 135, 160]
                },
                {
                    name: '食品',
                    type: 'line',
                    stack: '总量',
                    data: [74, 118, 200, 235, 90]
                }
            ]
        };
        // 使用刚指定的配置项和数据显示图表。
        myChart1.setOption(option1);
       
    }
};
</script>


<style scoped>
.el-row {
  margin-bottom: 20px;
}
#main {
  width: 500px;
  height: 350px;
}
#main1 {
  width: 500px;
  height: 350px;
}
.grid-content {
  display: flex;
  align-items: center;
  height: 100px;
}

.grid-cont-right {
  flex: 1;
  text-align: center;
  font-size: 14px;
  color: #999;
}

.grid-num {
  font-size: 30px;
  font-weight: bold;
}

.grid-con-icon {
  font-size: 50px;
  width: 100px;
  height: 100px;
  text-align: center;
  line-height: 100px;
  color: #fff;
}

.grid-con-1 .grid-con-icon {
  background: rgb(45, 140, 240);
}

.grid-con-1 .grid-num {
  color: rgb(45, 140, 240);
}

.grid-con-2 .grid-con-icon {
  background: rgb(100, 213, 114);
}

.grid-con-2 .grid-num {
  color: rgb(45, 140, 240);
}

.grid-con-3 .grid-con-icon {
  background: rgb(242, 94, 67);
}

.grid-con-3 .grid-num {
  color: rgb(242, 94, 67);
}

.user-info {
  display: flex;
  align-items: center;
  padding-bottom: 20px;
  border-bottom: 2px solid #ccc;
  margin-bottom: 20px;
}

.user-avator {
  width: 120px;
  height: 120px;
  border-radius: 50%;
}

.user-info-cont {
  padding-left: 50px;
  flex: 1;
  font-size: 14px;
  color: #999;
}

.user-info-cont div:first-child {
  font-size: 30px;
  color: #222;
}

.user-info-list {
  font-size: 14px;
  color: #999;
  line-height: 25px;
}

.user-info-list span {
  margin-left: 70px;
}

.mgb20 {
  margin-bottom: 20px;
}

.todo-item {
  font-size: 14px;
}

.todo-item-del {
  text-decoration: line-through;
  color: #999;
}

.schart {
  width: 100%;
  height: 300px;
}
</style>
